2MHz astable (CB9102E)

This TTL circuit can be used as a shield. The frequency can be changed by changing the capacitors.

One transistor ignition (CB6388E)
This circuit for old platinum cars was found in a 1967 Motorola documentation. The power...
Stabilized Power Supply (CB13988E)
This source of some amps for voltages up to 40 V was found in an Italian magazine Elettronica...
Ladder Generator (CB15723E)
This circuit generates a signal in the form of a ladder, with voltages rising in steps. The base...